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- Title
EFFECT OF WELDING CURRENT INTENSITY ON TENSILE STRENGTH OF PRESSURE VESSEL STEEL SUBMERGED WELDED JOINTS.
- Authors
CIOROAGĂ, Bogdan-Dorel; LINUL, Emanoil; CIOATĂ, Vasile George
- Abstract
The quality of welded pressure vessels joints consists in using an optimal welding regime, a parameter that has a high influence in submerged arc welding is the welding current intensity. Increasing the welding current intensity correlated with an optimal welding speed and working voltage may result in increasing productivity. This paper deals with aspects of the effect of changing only the welding current intensity parameter within a welding regime that has the rest of the parameter's constant. The study presents how the welding current intensity affects the tensile strength of the welded joints from pressure vessel steel. The main aspects that are considered: the yield strength, breaking force and breaking stress occurred in stretching of the welded joints. The test specimens were created by using the welding process realized by using a semiautomatic industrial submerged arc welding machine. The base material used is a pressure vessel steel identified under the coding P355 N.
- Subjects
WELDED joints; SUBMERGED arc welding; PRESSURE vessels; WELDING; TENSILE strength
- Publication
Acta Technica Corviniensis - Bulletin of Engineering, 2023, Vol 16, Issue 2, p65
- ISSN
2067-3809
- Publication type
Article